Preliminary results · 1,398 finishers · source dipsea.orgLoaded 16 Jun 2026 · preliminary results may change

Head-to-head

Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.

Athlete A

Official

Robert O Spinosa

#721 · 1:18:56 · M13 · Group U · DR

Wave start 8:46 AM (U-DR)

Athlete B

Official

Edward R Owens

#2 · 48:29 · M32 · Group Z · INV

Wave start 8:24 AM (Z-INV)

Comparison report

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Interpretation

Robert (U-DR) started at 8:46 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 22 minutes head start on Robert because the Runner wave starts 27 minutes after the Invitational wave. On foot, Robert ran 1:18:56 and Edward ran 48:29 — Edward was 30:27 faster than Robert. Robert took official place 721st (time-based 612th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 11:09 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Edward R Owens (Z-INV) started 22 min earlier than Robert (U-DR).

The Runner wave starts 27 min after the Invitational wave.

Overall place Δ: +719
Actual time Δ: +30:27
Section gap Δ: 27 min (Edward earlier)
Wave start Δ: 22 min (Edward earlier)
Finish clock Δ: +52:27
Section place Δ: —

Δ = Robert − Edward. Negative means Robert is ahead/faster.

Race timeline

Computed

Robert (U-DR) · start 8:46 AM1:18:56

Edward (Z-INV) · start 8:24 AM48:29

Earliest wave start (8:24 AM)Last finish (+1:40:56)

Edward (Z-INV) started at 8:24 AM.
Robert (U-DR) started at 8:46 AM, 22:00 later — the Invitational wave starts 27 min before the Runner wave.
Actual running time: Edward was 30:27 faster on foot than Robert.
Finish clock: Edward crossed the line 52:27 ahead of Robert — Edward wins this head-to-head.

Δ (A − B): actual +30:27 · finish clock +52:27.

Position through the course

Official

Segment-by-segment splits

Official

Segment-by-segment splits comparing the two selected athletes.
Segment	Robert	Edward	Δ
Start to Top of Stairs	8:42	5:48	+2:54
Stairs to Windy Gap	6:45	4:17	+2:28
Windy Gap to Muir Woods	6:44	4:16	+2:28
Muir Woods to Cardiac	29:01	17:52	+11:09
Cardiac to White Gate	17:02	9:40	+7:22
White Gate to The Stile	8:36	5:03	+3:33
The Stile to Finish	2:06	1:33	+0:33

Δ negative = Robert ran the segment faster.

Open Robert's dashboard · Open Edward's dashboard